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A small jet airplane with a mass of 49,500 kg sits at rest at the start...

A small jet airplane with a mass of 49,500 kg sits at rest at the start of a runway.  The pilot turns on the pair of jet engines to full throttle, and the thrust accelerates the plane down the runway.  After traveling 950 m, the plane reaches its takeoff speed of 68.0 m/s.  

a. Calculate the acceleration of the plane.

b. Calculate the thrust of each engine.

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